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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script type="text/javascript" src="./js/vue.js"></script>
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    <div id="root">

        单项数据绑定<input type="text" v-bind:value="name">
        <br>
        双向数据绑定<input type="text" v-model:value="name">
        <!-- v-model 只能用在表单类元素上 -->
    </div>
</body>

<script type="text/javascript">
    Vue.config.productionTip = false;
    new Vue({
        el:'#root',
        data:{
            name:'尚硅谷',
        }
    })
</script>
</html>